Finding the Fourth Proportional to 157,593.08, 217,474.14 and 85,973.08
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Solution
The fourth proportional to 157,593.08, 217,474.14 and 85,973.08 is: 118,640.50
Step by Step Solution
- Step 1: Write the proportion equation
157,593.08 : 217,474.14 = 85,973.08 : x - Step 2: Convert to fraction form
157,593.08/217,474.14 = 85,973.08/x - Step 3: Cross multiply
157,593.08x = 217,474.14 × 85,973.08 - Step 4: Simplify right side
157,593.08x = 18,696,921,580.83 - Step 5: Solve for x
x = 18,696,921,580.83/157,593.08 - Step 6: Final answer
x = 118,640.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.